Stop Word and Related Problems in Web Interface Integration. Eduard C. Dragut (speaker) ‏ Fang Fang Clement Yu Prasad Sistla Weiyi Meng. University of Illinois at Chicago University of Illinois at Chicago University of Illinois at Chicago University of Illinois at Chicago

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Informally, A label A is a hypernym of a label B if the set of content words of A is a "subset" of that of B, meaning that the words of may be mapped into those of B using either equality, synonymy, hypernymy relationships.

The intuition is that additional words usually restrict the meaning of a phrase

Example:

Financial Information is a hypernym of Household Financial Information

A word is not a stop word if there is a label whose meaning changes so “drastically” after the removal of the word from the label that the new label does not resemble in any way the original meaning of the label.

Examples:

The word yourself in the Credit Card domain is not a stop word because of labels such as Please tell us about yourself

The word who in the Airline domain is not a stop word because of labels such as Who is going in this trip?